Services/Uploads/UploadManager.php

   1 <?php
   2
   3 namespace Services\Uploads;
   4
   5 use Services\Uploads\IUploadManager;
   6 use Services\Uploads\IFileFactory;
   7 use Services\Uploads\IFile;
   8 use Exception;
   9
  10 class UploadManager implements IUploadManager{
  11
  12     private $_files= array();
  13     private $_fileFactory;
  14     private $_destination;
  15
  16     public function __construct(IFileFactory $fileFactory) {
  17         $this->_fileFactory = $fileFactory;
  18
  19         if($_FILES) {
  20             foreach($_FILES as $file)
  21             {
  22                 $this->_files[] = $this->_fileFactory->createInstance(
  23                     $file['name'],
  24                     $file['type'],
  25                     $file['tmp_name'],
  26                     $file['size']
  27                 );
  28             }
  29         }
  30     }
  31
  32    public function setDestination($path) {
  33         if(!$this->destinationExists($path))
  34         {
  35             throw new Exception('Invalid path. Path does not exist.');
  36         }
  37
  38         $this->_destination = $path;
  39
  40         return $this;
  41     }
  42
  43     private function destinationExists($path) {
  44         return file_exists($path);
  45     }
  46
  47     private function saveFile(IFile $file)
  48     {
  49         if($this->_destination)
  50         {
  51             $randomName = $this->randomFilename();
  52             $result = move_uploaded_file($file->getTempName(), $this->_destination . '/' . $randomName . '.' . $file->getExtension());
  53         }
  54
  55         if(!$result)
  56         {
  57             throw new Exception("Could not save file.");
  58         }
  59
  60         return $randomName;
  61     }
  62
  63     private function randomFilename()
  64     {
  65         return sha1(mt_rand(1, 9999) . $this->_destination . uniqid() . time());
  66     }
  67
  68     public function process()
  69     {
  70         $results = array();
  71
  72         foreach($this->_files as $file)
  73         {
  74             $results[$file->getName()] = $this->saveFile($file);
  75         }
  76
  77         return $results;
  78     }
  79 }